124 FLORA OF MOUNT DESERT. CAMPANULA, L. BELLFLOWER. 334 C. RAPUNCULOIDES, L. Occasionally by roadsides, etc.; escaped from cultivation. Oak Hill (Redfield, Annie S. Downs);—High Head; Somes- ville (Rand). Adventive from Europe. 335 C. rotundifolia, L. BLUEBELL. HAREBELL. Cliffs on seashore, and frequently on the mountains; common. 336 Forma albiflora. Flowers white. Ovens (Annie S. Downs);—Otter Cliffs (Annie S. Downs, Rand). ERICACEÆ. HEATH FAMILY. GAYLUSSACIA, HBK. HUCKLEBERRY. 337 G. dumosa (Andr.), T. & G. BOG HUCKLEBERRY. Frequent in sphagnum bogs. Bog near Somesville (William H. Dunbar);—Somes Pond; Sunken Heath; The Heath, Great Cranberry Isle; Great Heath (Rand). 338 G. resinosa (Ait.), T. & G. COMMON HUCKLEBERRY. Dry or wet ground; common. VACCINIUM, L. BLUEBERRY. CRANBERRY. 339 V. Pennsylvanicum, Lam. DWARF BLUEBERRY. Very common everywhere in dry soil; abundant on the hills and mountains. Variable. A form with bluish-red and white fruit, Jordan Mt. (Rand). A well marked form with dark blue- green leaves, reddish shoots, and dark blue fruit with little or no bloom, Great Cranberry Isle (R. & R.). 340 V. Canadense, Kalm. CANADA BLUEBERRY. Common in woods or moist ground. Fruit ripening later than that of the preceding species, and more acid.